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What is the meaning and difference between subject, user and principal?
...ntext of security frameworks, a few terms commonly occur subject , user and principal , of which I have not been able to find a clear definition and the difference between them.
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NoClassDefFoundError - Eclipse and Android
I'm having a problem trying to run an Android app which, up until adding a second external library to its build path, was working fine. Since having added the scoreninja jar, I now get a NoClassDefFoundError when I try to run the app.
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How does SSL really work?
... then, this has turned into a fairly popular question/answer, so I have expanded it a bit and made it more precise.
TLS Capabilities
"SSL" is the name that is most often used to refer to this protocol, but SSL specifically refers to the proprietary protocol designed by Netscape in the mid 90's. "...
Java Interfaces/Implementation naming convention [duplicate]
...ation information to add to the implementation name - like interface FileHandler and class SqlFileHandler .
9 Answers
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Is there a way to get the source code from an APK file?
The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months.
All I have is the APK file that is stored in my email from when I sent it to a friend.
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Best practices: throwing exceptions from properties
...eed to throw. For setters they indicate that exceptions are an appropriate and acceptable error handling strategy.
For indexers, Microsoft indicates that it is acceptable for both getters and setters to throw exceptions. And in fact, many indexers in the .NET library do this. The most common except...
When NOT to use Cassandra?
There has been a lot of talk related to Cassandra lately.
18 Answers
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What is the purpose of a stack? Why do we need it?
...the stack?
I assume you mean the evaluation stack of the MSIL language, and not the actual per-thread stack at runtime.
Why is there a transfer from memory to stack or "loading?" On the other hand, why is there a transfer from stack to memory or "storing"? Why not just have them all placed i...
What is the difference between Type and Class?
What makes a type different from class and vice versa?
20 Answers
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Should I use pt or px?
What is the difference between pt and px in CSS? Which one should I use and why?
5 Answers
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